[lworld] RFR: 8363846: [lworld] Make Class.isIdentityClass() non-native [v2]

[Chen Liang]

On Wed, 23 Jul 2025 15:06:40 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> I'll fixup TEST.properties and the other test in a separate PR.
>
> yes, that's surprising it passed.  Oh, I don't know how these work.  None of the other tests check for !enablePreview in this directory.

We should be able to use `@enablePreview false` to explicitly turn it off, without touching `TEST.properties`:
https://github.com/openjdk/jtreg/blob/8a906f35aeacc79cc723ed4dd73aa2bb6c7dd8e9/src/share/classes/com/sun/javatest/regtest/config/RegressionTestFinder.java#L644-L650

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1514#discussion_r2225923179